Routing and Template Cookbook: Errors and debugging
This section is about how to serve errors and strategies for debugging.
Dumping variable contents for debugging
If you're trying to debug problems with your template, you might find the Dumper TT plugin useful to peek inside the contents of your variables.
[% USE Dumper %] [% Dumper.dump(variable) %]
Dumping a variable will output its contents--so, a hash for instance, will have all its keys and values printed.